IOM J500.36
Jerguson
®
360 Series
2017.10
5
16633 Foltz Parkway ● Strongsville, OH 44149 USA ●
Telephone: +1 (440) 572-1500
●
Fax: +1 (440) 238-8828
www.Jerguson
.com ● sales@clark
-reliance.com
7. Method Of Operation
Run Mode:
When the arrow on the handle of the valve is pointed towards the gage (opposite the vessel connection)
the valve is in the Run Position.
The function of the Run Position is intended for when the gage is in normal operation. This mode positions
the seating surface of the internal ballcheck towards the armored glass gage allowing the ballcheck to seat
in the case of a catastrophic event. The pressure differential required to seat the ballcheck is ~5 psi.
Bypass Mode:
When the arrow on the handle of the valve is pointed in the direction of the process connection the valve is
in the Bypass Position.
The Bypass Position is intended for use while the gage is being commissioned when there is already liquid
present in the vessel. This mode of operation positions the internal ball mechanism such that there is a
retainer plate towards the armored glass gage connection. In this scenario the ballcheck cannot seat as
the ballcheck seating surface is upstream of the ball. Fluid will flow around the ball, through the retainer
plate, and into the gage while it is being commissioned.
Closed Mode:
When the arrow on the handle of the valve is pointed perpendicular to the valve (either pointing up or
down), the valve is in the closed position.
The closed position is intended for use when the operator intends to isolate the gage from the vessel. This
mode of operation positions internal ball mechanism such that it blocks the process port preventing fluid
from entering the gage or draining back to the vessel.
